89338221 has 84 divisors (see below), whose sum is σ = 162231804. Its totient is φ = 48988800.

The previous prime is 89338217. The next prime is 89338267. The reversal of 89338221 is 12283398.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 85766121 = 1890^2 + 9261^2 .

It is not a de Polignac number, because 89338221 - 2² = 89338217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89338021) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1464531 + ... + 1464591.

It is an arithmetic number, because the mean of its divisors is an integer number (1931331).

Almost surely, 2^89338221 is an apocalyptic number.

89338221 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

89338221 is a deficient number, since it is larger than the sum of its proper divisors (72893583).

89338221 is an equidigital number, since it uses as much as digits as its factorization.

89338221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 112 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 89338221 is about 9451.8898110378. The cubic root of 89338221 is about 447.0393641294.

The spelling of 89338221 in words is "eighty-nine million, three hundred thirty-eight thousand, two hundred twenty-one".